Which Elements are Found in Highest and Lowest Quantities :

Which of the following elements are found in highest and lowest quantities respectively in the crust of the earth?

  1. Oxygen and silicon
  2. Sodium and magnesium
  3. Calcium and sodium
  4. Oxygen and magnesium
Anurag Mishra Professor Asked on 4th November 2015 in Chemistry.
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    Answer: (4) Oxygen and Magnesium

    Anurag Mishra Professor Answered on 5th November 2015.
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